Product Description

Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.

Specification:

Material: High Speed Steel

Size: 10mm/16mm (Please choose the size you want)

Quantity: 1pc

Use matters: Square hole drill is mainly used for woodworking aspects.